Master-control system for cell doors and locks



Dec. 16, 1936.

2 Sheets-Sheet 1 Filed Aug;

INVENTOR" filaod ATTORNEYS Dec. 16-, 1930; D. F. YOUNGBLOOD MASTER CONTROL SYSTEM FOR CELL bOORS AND LOCKS 2 Shuts -Shee't 2 Filed Aug ATTORNEYS Fig'. l" is a fragmentary vie'wpartly in see- 4e tions of theadoo'rs, This improvement great Patented DecJIG,

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* '\uesmwm eseemirommfnqqes This. intention"relatesto mestercontrol systems; for: cell "doors: and locks end aims among. other} objects to; w preyide impli v simplifiedand efliectiveselector'meehanism so constructed"andwarrenged; th2tt'itj'e11t0mati., cally engagesthe doors they are 11nlof cked',r 1 with the master door-propelling" means (and cannot'be released froin the doors except when thefv are locked. "txTjhis application involves 1 o important improvements in., the selector mechanisms shown my Patents 1,269,244

one illustrative embodiment {of the invention tion showing el si'cleelevation ofthe-meche .nisl napplieclto, oneofa series off cell;doors Fig. 2 is a topfplan View of the echanism Fig. lris viewsiniilairtoi ing the parts] in-ar different position an d Q} 25 "Figs. 5 andfi are tragzmentaryside elei m tions showing partsofthe In Ychan-ismin dif:

ferent positions; Y

beiseen that a plurality of celldoors which 30. arearmngecl-inrolys are adapted; toyheop'ejr- V ated by a "master locking bar-e and; a; master propelling bar, "and: selector; ":meeh'anisml is empl yectte'efiectthe operating-connectio .betwen the bars;a;n 1lthe;se ete&- lock en i '35; dOOIFS Howerer; thatselectorm heni mha V i emL drawbacks among which is the vlfaijc that supplerhfentalpivoted operating ba rs are e ploye nd: ithesemsl through which} they are; swung 11 yermdependi gk upo {t e pe i-fi lj =s'implifies the -mechanism by l eliminating vtheobjectionable 'feetures'ancl als incre e the reliability of the systemfi R fe i g pe ti' j lag y.t he l wiiigstth dI'fly-one-cell wr 1051s ho mi b glh fised' 2 within the iusnalf eoyerbole Q'As shownin L h doo s suppo ted b a; ha gj r Whenr't 7 main; lockegllo' while otl er selected doors are imi g un c ed "and f pe t e @1 2 0 23 I thelatch' bar/22 'i skliftegl out yet the notch :247-3S indicatedjin Figs 5. ,Infother Words, the position 'sho'Wn-inf Fig. is the 2 normal 1 loqlared.iposition of the loek s electori mecha- .nismfi ln -Eig. GQthejseleetor mechanism isgw tl ieflange and'release the doori, The locki and 55 the;clo oig arez adapted tolbe operated byy-the 1 mesterj' operating members in the form of j'bars 1 7 and 18 respectively which are mounted in the cover boxesdescribed in lily-patents, 7 it being-- 1 inderstotml that the bars are :moved 60' fendwisfe or; longitudinally-bymechanism; ar- 7' w l 1 V V "ranged ina -master contr'ol'b'ox:(hOfishoWnJ '7 -In the accompanying-drawings, showing 1 f; In the present-example the-lockingbarqle adapted to: be rfa -is'ed and lowered'by afbellanl'; IQ-having onejarmprojeetingxthroughI afverticalislot in thelbkihg bar (Figs. 1 3: and

' end-theother arm is 1 ivbtally fconneete'cl 1:02; flanged. link memberfZQ-in'the; form cfan' e a angle barn 1A rocker gar-m 2 1 is also 1 pivotally arm of the bell-crank 19 same length: hieh is pivoted 't-QEth'e member 20. P-ivotnlly conneetedto the-member 20, c0nvenie'nt1yby l m'ezir'1spt:the,samefjpivot pin-as that for the V ."f-trm 2 1y,iselatch bari22 hiehcarries near its Referring to my aforesaid patents, it, will lower end transverse bolttor pin 23'adapted arrangement is sti ch-that when the pin 23' is thus engaged and;thelokingbarl'l is moved.

.bejrooked to" the-left andthereby rock the bell Crank 19 itoil iit' "the, lecktba 14 to'the 5 position. shown in Fig; 3, th'iis nnlocldngthe I rej 'l f trellg hee letqr metheni mt fe'he ve- Aerf l liillmy- Pa e t- 5 ,2 h ir is? i 

